Seven doesn't lie. She doesn't have the experience for it--and even if she did, she doesn't see any reason to in most situations. She tends towards brutal honesty if anything.

And since he acquiesced to her request--she sees no reason not to answer his questions.

"You are aboard a Federation starship. I have not yet determined its designation, as it is not one I am familiar with."

She tilts her head, assessing.

"As I am also unsure as to how we have arrived here, I cannot tell you how to return. There is not enough information for any hypothesis to be made."